1 /* 2 * intel_pt_log.h: Intel Processor Trace support 3 * Copyright (c) 2013-2014, Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 */ 15 16 #ifndef INCLUDE__INTEL_PT_LOG_H__ 17 #define INCLUDE__INTEL_PT_LOG_H__ 18 19 #include <linux/compiler.h> 20 #include <stdint.h> 21 #include <inttypes.h> 22 23 struct intel_pt_pkt; 24 25 void *intel_pt_log_fp(void); 26 void intel_pt_log_enable(void); 27 void intel_pt_log_disable(void); 28 void intel_pt_log_set_name(const char *name); 29 30 void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len, 31 uint64_t pos, const unsigned char *buf); 32 33 struct intel_pt_insn; 34 35 void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip); 36 void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn, 37 uint64_t ip); 38 39 void __intel_pt_log(const char *fmt, ...) __printf(1, 2); 40 41 #define intel_pt_log(fmt, ...) \ 42 do { \ 43 if (intel_pt_enable_logging) \ 44 __intel_pt_log(fmt, ##__VA_ARGS__); \ 45 } while (0) 46 47 #define intel_pt_log_packet(arg, ...) \ 48 do { \ 49 if (intel_pt_enable_logging) \ 50 __intel_pt_log_packet(arg, ##__VA_ARGS__); \ 51 } while (0) 52 53 #define intel_pt_log_insn(arg, ...) \ 54 do { \ 55 if (intel_pt_enable_logging) \ 56 __intel_pt_log_insn(arg, ##__VA_ARGS__); \ 57 } while (0) 58 59 #define intel_pt_log_insn_no_data(arg, ...) \ 60 do { \ 61 if (intel_pt_enable_logging) \ 62 __intel_pt_log_insn_no_data(arg, ##__VA_ARGS__); \ 63 } while (0) 64 65 #define x64_fmt "0x%" PRIx64 66 67 extern bool intel_pt_enable_logging; 68 69 static inline void intel_pt_log_at(const char *msg, uint64_t u) 70 { 71 intel_pt_log("%s at " x64_fmt "\n", msg, u); 72 } 73 74 static inline void intel_pt_log_to(const char *msg, uint64_t u) 75 { 76 intel_pt_log("%s to " x64_fmt "\n", msg, u); 77 } 78 79 #endif 80